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Fairfax, SD
Town in Gregory County, South Dakota.
Population
119
Land area
0.3sq mi
People per sq mi
393
ZIP codes
0
Fairfax and its ZIP codes
Fairfax at a glance
- Fairfax is about 33 times as dense as South Dakota as a whole.
Local data for Fairfax, SD
Counts from official public data
Economy and federal money
Jobs, pay, income and spending are for Gregory County. PPP loans are for Fairfax.
Unemployment rate
1.6%
Aug 2026, -0.3 pts in a year
Average annual pay
$41,781
1,573 jobs, 2025
Income per person
$62,902
BEA, 2024
Federal spending
$32.5M
FY 2026, $8,126 per person
Environment and hazard risk
Fairfax, SD, from FEMA, NOAA and EPA
Natural hazard risk
Very Low
Top: cold wave
Storm events since 1996
706
Countywide, mostly hail
Flood insurance policies
1
0.0% of homes, county
July high / Jan low
87° / 11°F
25.9 inches of rain a year
Hazards, floods and storm historyCheck a flood zone1 historic places
Health statistics
Share of adults in Fairfax, SD, CDC PLACES estimates
Obesity
35.9%
U.S. 33.3% +2.6 pts
Diabetes
16.9%
U.S. 12.1% +4.8 pts
Smoking
15.5%
U.S. 12.8% +2.7 pts
Uninsured (18-64)
7.1%
U.S. 11.1% -4.0 pts
Cities near Fairfax
| Name | Distance | Land area (sq mi) |
|---|---|---|
| BonesteelCity | 4.5 mi | 0.4 |
| Anoka, NEVillage | 6.4 mi | 0.6 |
| Butte, NEVillage | 8.2 mi | 0.5 |
| St. CharlesCensus-designated place | 11 mi | 0.2 |
| Naper, NEVillage | 11 mi | 0.1 |
| Spencer, NEVillage | 14 mi | 0.6 |
| HerrickTown | 16 mi | 0.5 |
| Gross, NEVillage | 17 mi | 0.1 |
| PickstownTown | 18 mi | 0.6 |
| GeddesCity | 18 mi | 0.7 |
| Lake AndesCity | 20 mi | 0.7 |
| Bristow, NEVillage | 20 mi | 0.2 |
| BurkeCity | 23 mi | 0.6 |
| MartyCensus-designated place | 23 mi | 3.2 |
| RaviniaTown | 25 mi | 0.2 |
| PlatteCity | 25 mi | 1.1 |
Frequently asked questions
- What county is Fairfax, SD in?
- Fairfax is in Gregory County, South Dakota.
- What is the population of Fairfax, SD?
- About 119 people live in Fairfax, based on American Community Survey 5-year estimates.
- What cities are near Fairfax?
- Nearby places include Bonesteel (4.5 mi), Anoka, NE (6.4 mi), Butte, NE (8.2 mi), St. Charles (11 mi), Naper, NE (11 mi).
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023